An old married couple Shukichi Hirayama and Tomiko live on a small island in the Inland Sea. They go to Tokyo. The couple have 3 children. The eldest son Koichi runs a hospital. The first daughter Shigeko runs a beauty salon. The second son Shuji works in stage art. The families ask the parents to take a rest in Tokyo, but the parents do not like staying in Tokyo. One day, Tomiko visits Shuji's apartment. There, Tomiko is introduced to Shuji's fiancé Noriko, but Tomiko collapses at Koichi's house...